def __pb_train_click(self): try: class_0_point_0_x = int(self.ui.le_class_0_point_0_x.text()) class_0_point_0_y = int(self.ui.le_class_0_point_0_y.text()) point_0 = Point(class_0_point_0_x, class_0_point_0_y) class_0_point_1_x = int(self.ui.le_class_0_point_1_x.text()) class_0_point_1_y = int(self.ui.le_class_0_point_1_y.text()) point_1 = Point(class_0_point_1_x, class_0_point_1_y) self.__training_vectors[0] = [point_0, point_1] except ValueError: self.__training_vectors[0] = [Point(3, 2), Point(-5, 0)] try: class_1_point_0_x = int(self.ui.le_class_1_point_0_x.text()) class_1_point_0_y = int(self.ui.le_class_1_point_0_y.text()) point_0 = Point(class_1_point_0_x, class_1_point_0_y) class_1_point_1_x = int(self.ui.le_class_1_point_1_x.text()) class_1_point_1_y = int(self.ui.le_class_1_point_1_y.text()) point_1 = Point(class_1_point_1_x, class_1_point_1_y) self.__training_vectors[1] = [point_0, point_1] except ValueError: self.__training_vectors[1] = [Point(4, -7), Point(1, 1)] potential = Potential(self.__amount_of_classes) self.__func, isSuccess = potential.train(self.__training_vectors) if not isSuccess: self.__msgbox_message( 'Error', 'An error occurred while training. \nEnter another training data.' ) else: self.scene.clear() self.__draw_axes() self.__draw_graphic() self.__draw_training_points() try: self.ui.le_separated_function.setText(str(self.__func)) except ValueError: self.__msgbox_message( 'Error', 'An error occurred while training. \nEnter another training data.' )